April 9, 2010: Astrobiology and Astronaut Training - David Grinspoon

David Grinspoon joins Art Bell to discuss the search for extraterrestrial life, private astronaut training, and the discovery of active volcanoes on Venus and methane rivers on Titan. Full show notes, transcript, guests, and related listening: https://artbellarchive.org/episode/april-9-2010-astrobiology-and-astronaut-training-david-grinspoon